Prasiolite and Chalcedony Physical Properties

Prasiolite

Chalcedony

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Not Available

Soluble

1.3 Durability

Not Available

1.4 Specific Gravity

2.65

2.55-2.70

1.5 Fracture

Conchoidal, ConchoidalWalter Schumann, Gemstones of the world (2001)

Uneven, Splintery, Conchoidal, Uneven, Splintery, Conchoidal, UnevenWalter Schumann

1.6 Cleavage

3,1

Absent

1.7 Mohs Hardness

6.5-7

1.8 Chemical Composition

SiO 2Ulrich Henn and Claudio C.

SiO₂

Prasiolite and Chalcedony Chemical Formula

While comparing Prasiolite and Chalcedony physical properties, the important data you should know is its chemical composition. Since chemical formula defines the molecular structure of the crystal, most of the physical properties like color, tenacity, solubility are governed by Prasiolite and Chalcedony chemical formula.

Chemical formula of Prasiolite- SiO 2Ulrich Henn and Claudio C.
Chemical formula of Chalcedony- SiO₂

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Prasiolite and Chalcedony Specific Gravity

Another important criteria for qualitative analysis of gemstones is Prasiolite and Chalcedony Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Prasiolite and Chalcedony Optical Properties during the identification of gemstone. Specific gravity of Prasiolite is 2.55-2.70 whereas that of Chalcedony is 2.55-2.70.